Remanufactured Power Steering Pump (21-5404) by Cardone Reman®. With Inline Filter. Cardone Reman Remanufactured Power Steering Pumps are built to meet or exceed OEM performance. Original designs are scrutinized for potential improvement, and where applicable, design upgrades are implemented to produce a more durable part than the original. All critical components are tested to ensure proper function. Every unit undergoes a hydraulic efficiency test to ensure reliable, long-lasting performance, providing a quality product both you and your vehicle can rely on.